@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,math,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.19.1"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.games-heading,.game-toolbar,.game-metrics,.game-resume,.game-card-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.games-heading{margin-bottom:24px;flex-wrap:wrap}.games-heading h2{font-size:20px;margin:0 0 8px}.playing-heading{justify-content:flex-end;margin-bottom:12px}.games-heading p,.game-card p{color:var(--muted);font-size:13px;margin:0}.points-balance{display:flex;align-items:center;gap:8px;color:#a36500}.points-balance strong{font-size:28px}.points-balance span{font-size:12px}.games-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.game-card{border:1px solid #dce5e0;border-radius:8px;padding:16px;background:#fff;min-width:0}.game-card-title{margin:14px 0 8px;flex-wrap:wrap;gap:4px}.game-card h2{font-size:18px;margin:0}.game-card-title>span{color:var(--muted);font-size:12px}.game-card>button{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;margin-top:16px;font-size:14px}.game-card>button>span{font-size:12px}.game-preview{height:112px;display:grid;grid-template-columns:repeat(5,22px);grid-template-rows:repeat(5,22px);justify-content:center;border-radius:4px;overflow:hidden;background:#edf5f4}.preview-cell{display:grid;place-items:center;position:relative;font-size:15px;font-weight:700;color:#1876a5}.preview-cell svg{width:17px;height:17px;fill:currentColor}.preview-match3{background:#f5f0f8}.preview-match3 .jewel-0{color:#d44465}.preview-match3 .jewel-1{color:#d98b13}.preview-match3 .jewel-2{color:#249c75}.preview-match3 .jewel-3{color:#2c8bd0}.preview-match3 .jewel-4{color:#9459bd}.preview-tetris{background:#18292c}.tetromino{width:20px;height:20px;background:#37b7c5;border:2px solid #ffffff38}.block-1{background:#edc042}.block-2{background:#e96d7d}.block-3{background:#9c85dc}.preview-gomoku .preview-cell{background:linear-gradient(90deg,transparent 48%,#a1b4a9 49%,#a1b4a9 51%,transparent 52%),linear-gradient(transparent 48%,#a1b4a9 49%,#a1b4a9 51%,transparent 52%)}.preview-mines .preview-cell{border:1px solid #d6e5e2;background:#e6f0ee}.game-resume{padding:14px 0;border-bottom:1px solid #dce5e0;margin-bottom:18px;font-size:14px;flex-wrap:wrap}.game-resume button,.game-error button,.game-controls>button,.game-pause button{display:flex;align-items:center;justify-content:center;gap:6px}.points-history{margin-top:28px;border-top:1px solid #dce5e0;padding-top:18px}.points-history summary{cursor:pointer;font-weight:600}.points-history p,.game-empty{font-size:13px;color:var(--muted);line-height:1.8}.points-history ul{list-style:none;padding:0;margin:0}.points-history li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #eef1ef}.points-history strong{font-size:14px}.points-history small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.points-positive{color:#16865a}.game-error{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff0ef;color:#a82c2c;padding:12px;margin-bottom:16px;border-radius:6px;font-size:14px}.game-error button{flex-shrink:0}.game-stage{max-width:640px;margin:auto}.game-toolbar{margin-bottom:14px}.game-toolbar h2{font-size:20px;margin:0;flex:1}.game-toolbar small{font-size:13px;font-weight:400;color:var(--muted)}.game-metrics{min-height:52px;margin-bottom:14px;font-size:14px;flex-wrap:wrap}.game-metrics>span{display:flex;gap:8px;align-items:center}.game-metrics .stone{width:18px;height:18px}.game-board{display:grid;position:relative;margin:auto;touch-action:manipulation;-webkit-user-select:none;user-select:none;width:100%;aspect-ratio:1;overflow:hidden;border:1px solid #b2c5b9;background:#eef4f0}.game-cell{min-width:0;min-height:0;padding:0;border-radius:0;display:grid;place-items:center;border:0;position:relative;line-height:1;outline-offset:-3px}.game-cell:disabled{opacity:1;cursor:default}.game-cell:focus-visible{outline:3px solid #ed7c23;z-index:1}.board-tetris{grid-template-columns:repeat(10,1fr);grid-template-rows:repeat(20,1fr);aspect-ratio:1/2;width:min(100%,260px,calc((100dvh - 330px)/2));min-width:150px;background:#172a2d;border-color:#354b4e}.board-tetris .game-cell{border:1px solid #ffffff0a;background:transparent}.board-tetris .value-1,.board-tetris .value-2{background:#39b5c6;border:2px solid #ffffff33}.board-tetris .OShape{background:#e7b830}.board-tetris .TShape{background:#ad81db}.board-tetris .SShape{background:#59bb83}.board-tetris .ZShape{background:#e8677e}.board-tetris .JShape{background:#538edb}.board-tetris .LShape{background:#ed9850}.next-shape{display:grid;grid-template-columns:repeat(5,8px);grid-template-rows:repeat(5,8px)}.next-shape .filled{background:#219e9d;border:1px solid white}.board-match3{grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);gap:4px;padding:7px;max-width:440px;background:#f4f0f7;border-color:#ded6e5;border-radius:6px}.board-match3 .game-cell{background:#fff;border-radius:5px;border:2px solid transparent}.board-match3 svg{width:60%;height:60%;fill:currentColor;stroke-width:1.5}.board-match3 .value-0{color:#ce4164}.board-match3 .value-1{color:#bf7c0b}.board-match3 .value-2{color:#21875b}.board-match3 .value-3{color:#267bc0}.board-match3 .value-4{color:#8d57b5}.board-match3 .picked{border-color:#1d4846;background:#e5f5ee}.board-match3 .hinted{outline:3px dashed #e29421;outline-offset:-4px}.board-gomoku{grid-template-columns:repeat(15,1fr);grid-template-rows:repeat(15,1fr);max-width:510px;padding:6px;background:#f0f4ef}.board-gomoku .game-cell{background:linear-gradient(90deg,transparent 48%,#a4b5a6 49%,#a4b5a6 51%,transparent 52%),linear-gradient(transparent 48%,#a4b5a6 49%,#a4b5a6 51%,transparent 52%)}.stone{display:block;width:78%;height:78%;aspect-ratio:1;border-radius:50%;box-shadow:0 1px 2px #0004;position:relative}.stone.black{background:#263332;border:1px solid #111c1b}.stone.white{background:#fff;border:1px solid #a5b1a7}.last-move .stone:after{content:"";width:25%;height:25%;border-radius:50%;background:#e46d42;position:absolute;top:37.5%;left:37.5%}.board-mines{grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(9,1fr);max-width:420px;gap:2px;padding:4px;background:#c9d9d6}.board-mines .game-cell{background:#f5f8f6;font-size:19px;font-weight:700}.board-mines .value--1{background:#dbe8e3;box-shadow:inset 1px 1px #fff8,inset -1px -1px #8ca79d}.board-mines .value--2{background:#ffd8d2;color:#a32323}.board-mines .value-1{color:#216faf}.board-mines .value-2{color:#238247}.board-mines .value-3{color:#bc3b3b}.board-mines .value-4{color:#8346a9}.board-mines svg{width:55%;height:55%}.game-pause{position:absolute;inset:0;display:grid;place-items:center;background:#172a2dc9}.game-pause button{font-size:14px;padding:10px}.game-controls{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:18px}.game-controls .icon-button{width:42px;height:42px;border:1px solid #d4e1d9;background:#fff}.game-note{min-height:22px;text-align:center;font-size:13px;color:var(--muted);margin:10px 0}.game-result{text-align:center;padding:18px 0}.game-result>svg{color:#ca9219;width:32px;height:32px}.game-result h3{font-size:21px;margin:8px 0}.game-result p{color:var(--muted);margin:8px 0 16px}.game-result-actions>button{max-width:100%;white-space:normal}.game-result.won h3{color:#126a52;font-weight:700}.game-earn-points .secondary{padding:10px 8px;gap:5px;font-size:13px}.game-result .game-earn-points p{color:#99630d;max-width:420px;margin:12px auto;font-size:14px}.board-tetris{width:min(100%,260px,calc((100dvh - 440px)/2))}.board-gomoku .game-cell{background:transparent}.board-gomoku .game-cell:before,.board-gomoku .game-cell:after{content:"";position:absolute;background:#a4b5a6;pointer-events:none}.board-gomoku .game-cell:before{width:1px;height:100%;left:50%;top:0}.board-gomoku .game-cell:after{height:1px;width:100%;top:50%;left:0}.board-gomoku .stone{z-index:1}@media(max-width:480px){.game-card-title{flex-direction:column;align-items:flex-start;min-height:52px}}@media(max-width:700px){.rail{padding-left:3px;padding-right:3px}.nav-item{min-width:0;padding-left:0;padding-right:0}.nav-item span{white-space:nowrap}.games-heading h1{font-size:23px}.games-heading{gap:12px}.games-grid{gap:10px}.game-card{padding:10px}.game-card h2{font-size:16px}.game-card p{font-size:12px;min-height:36px;line-height:1.5}.game-card>button{font-size:13px;padding:10px 4px}.game-card>button>span{font-size:11px}.game-controls{gap:6px}.game-controls .icon-button{width:40px;height:40px}.game-toolbar h2{font-size:18px}.game-metrics{font-size:13px;gap:6px}.board-match3{gap:3px;padding:4px}}.extra-game{width:min(100%,400px);margin:0 auto}.extra-surface{position:relative;touch-action:none}.extra-surface canvas{display:block;width:100%;height:auto;aspect-ratio:3 / 4;border:1px solid #cbd8df;border-radius:6px}.extra-grid{display:grid;gap:3px;padding:5px;background:#d8e4e5;border-radius:6px}.extra-cell{display:grid;place-items:center;aspect-ratio:1;min-width:0;background:#f8fbfc;border-radius:3px;font-weight:750}.grid-2048{gap:8px;padding:8px;background:#bed3d9}.grid-2048 .extra-cell{font-size:28px;color:#213c48}.grid-2048 .v-2{background:#f7fcfa}.grid-2048 .v-4{background:#d2efdf}.grid-2048 .v-8{background:#93dbc7}.grid-2048 .v-16{background:#58b9c4;color:#fff}.grid-2048 .v-32{background:#318caa;color:#fff}.grid-2048 .v-64{background:#ca617a;color:#fff}.grid-2048 .v-128,.grid-2048 .v-256,.grid-2048 .v-512{background:#edc451;color:#382c15}.grid-2048 .v-1024,.grid-2048 .v-2048{background:#b74062;color:#fff;font-size:23px}.grid-snake{gap:1px;background:#dceae3}.grid-snake .v-1{background:#4eaa7e}.grid-snake .v-3{background:#176d53;box-shadow:inset 0 0 0 3px #57c39c}.grid-snake .v-2{background:#e65576;border-radius:50%;transform:scale(.72)}.grid-sokoban{gap:2px;background:#dce5e9}.grid-sokoban .v-1{background:#607b88;box-shadow:inset 0 0 0 2px #78939f}.grid-sokoban .v-3{background:#edc069;color:#7a5112}.grid-sokoban .v-5{background:#8ed6b1;color:#186747}.grid-sokoban .v-4{color:#116f9a;background:#ceeefb}.grid-sokoban .v-2{color:#3a9768}.grid-sokoban .goal{box-shadow:inset 0 0 0 2px #49a976}.extra-cell svg{width:70%;height:70%}.klotski-board{position:relative;width:100%;aspect-ratio:4 / 5;background:#e1e9e9;border:5px solid #b6cacc;border-radius:6px}.sliding-piece{position:absolute;display:grid;place-items:center;margin:0;border:3px solid #e1e9e9;border-radius:5px;background:#8fc9b9;color:#153d34;font-size:19px;font-weight:700;padding:2px}.sliding-piece.cao{background:#d9627c;color:#fff;font-size:27px}.sliding-piece[aria-pressed=true]{box-shadow:inset 0 0 0 3px #1a5268}.sliding-piece:disabled{opacity:1}.klotski-exit{text-align:center;width:50%;margin:0 auto;background:#d9627c;color:#fff;font-size:13px;padding:3px}.extra-pause{position:absolute;inset:0;display:grid;place-items:center;background:#152a3a66;border-radius:6px}.extra-pause button{display:flex;align-items:center;gap:8px}.extra-controls{margin-top:14px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px}.direction-pad{display:grid;grid-template-columns:repeat(3,44px);grid-template-rows:repeat(2,44px);gap:5px}.direction-pad .icon-button{width:44px;height:44px}.direction-up{grid-column:2;grid-row:1}.direction-left{grid-column:1;grid-row:2}.direction-down{grid-column:2;grid-row:2}.direction-right{grid-column:3;grid-row:2}.direction-pad.horizontal{display:flex;gap:12px}.game-reset-confirm{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;align-items:center}.extra-preview{position:relative;display:flex;align-items:center;justify-content:center;gap:8px}.extra-preview b{padding:10px;background:#cee7dd;color:#235048;border-radius:4px;font-size:20px}.extra-preview b:nth-child(3){background:#f3cc6d}.extra-preview b:nth-child(4){background:#72c1d0}.extra-preview .preview-cao{background:#db6a83;color:#fff}.preview-snake{width:65px;height:20px;border-radius:4px;background:#3eaa79;box-shadow:20px 20px #3eaa79}.preview-food{width:16px;height:16px;background:#e65576;border-radius:50%;margin-left:25px}.preview-sokoban svg{width:30px;height:30px;color:#388c71}.preview-bricks{width:150px;height:12px;background:repeating-linear-gradient(90deg,#3293b1 0 25px,transparent 25px 30px);position:absolute;top:20px;box-shadow:0 17px #e8b84d}.preview-ball{width:10px;height:10px;background:#de5878;border-radius:50%;position:absolute;top:65px}.preview-paddle{width:60px;height:8px;background:#167d9a;position:absolute;bottom:12px}.preview-space{background:#17232d}.preview-enemies{color:#f38089;font-size:34px;font-style:normal;position:absolute;top:8px}.preview-ship{color:#59dbc5;font-size:30px;font-style:normal;position:absolute;bottom:3px}@media(max-width:400px){.grid-2048 .extra-cell{font-size:24px}.grid-2048 .v-1024,.grid-2048 .v-2048{font-size:20px}}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;color:#243c35;background:#f5f7f8;font-synthesis:none;font-weight:400;line-height:1.6;letter-spacing:0;--green: #147d64;--green-dark: #0c5d4b;--muted: #75847f;--line: #e1e9e5;--safe-bottom: env(safe-area-inset-bottom, 0px)}.home-overview{padding:24px 0}.overview-heading{display:flex;align-items:center;gap:18px;margin-bottom:28px}.overview-heading img{width:64px;height:64px;object-fit:contain}.overview-heading p{margin-top:8px;color:#617481;font-size:14px}.completion-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;width:100%;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.completion-metrics>div{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:0}.completion-metrics strong{font-size:28px;color:#243c35;line-height:1.3}.completion-metrics strong small{font-size:14px;color:#71818b;font-weight:400}.completion-metrics span{font-size:13px;color:#526777}.home-tasks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}.home-tasks button{background:#fff;border:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:22px;text-align:left}.home-tasks button>svg{color:#147d64}.home-tasks button>span{flex:1;min-width:0}.home-tasks strong,.home-tasks small{display:block}.home-tasks small{color:#617481;font-weight:400;margin-top:6px}.completed-characters{width:100%;margin:24px 0}.completed-characters>div{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:14px}.completed-characters span{font-size:27px;line-height:44px;min-width:44px;color:#147d64;border-bottom:2px solid #c6dfd5}.completion-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.ai-sources summary{cursor:pointer;color:#617481;font-size:13px;padding:8px 0}.ai-sources summary svg{vertical-align:middle;margin-right:8px}.celebration-message .celebration-continue{grid-column:1 / -1;justify-self:center;min-width:150px}@media(max-width:600px){.completion-metrics{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:24px}.home-tasks{grid-template-columns:1fr}}.auth-page{width:min(100%,440px);min-height:100dvh;margin:auto;padding:72px 24px 40px}.auth-brand{display:flex;align-items:center;gap:14px;margin-bottom:36px}.auth-brand img{width:56px;height:56px;object-fit:contain}.auth-brand h1{font-size:28px}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);margin-bottom:28px}.auth-tabs button{border:0;border-bottom:3px solid transparent;background:none;padding:12px;font-size:17px}.auth-tabs button[aria-selected=true]{color:var(--green);border-color:var(--green);font-weight:700}.auth-form{display:flex;flex-direction:column;gap:10px}.auth-form>label:not(:first-child){margin-top:12px}.auth-form input{width:100%;min-width:0;height:48px;border:1px solid #bdcdc5;background:#fff;border-radius:6px;padding:10px 12px;font-size:16px}.password-field{display:flex;align-items:center;position:relative}.captcha-field{display:grid;grid-template-columns:minmax(0,1fr) 156px;gap:10px;align-items:center}.captcha-field input{text-transform:uppercase;min-width:0}.captcha-image{display:grid;place-items:center;width:156px;height:54px;padding:0;overflow:hidden;border:1px solid #bdcdc5;border-radius:4px;background:#f2f7f5;color:#147d64}.captcha-image img{display:block;width:100%;height:100%;object-fit:contain}.password-field input{padding-right:50px}.password-field button{position:absolute;right:4px;background:transparent;border:0}.auth-form>.primary{margin-top:20px;min-height:48px;justify-content:center}.field-hint{color:var(--muted);font-size:13px}.form-error{color:#b42318;font-size:14px;overflow-wrap:anywhere}.account-section{margin-bottom:24px}.account-name{font-size:18px;font-weight:650;margin:16px 0;overflow-wrap:anywhere}.account-name span{display:inline-block;font-size:12px;color:var(--green);font-weight:400;margin-left:16px}.account-actions{display:flex;flex-wrap:wrap;gap:10px}.account-actions button{font-size:14px;min-height:44px}.account-section>.form-error,.account-section>[role=status]{margin-top:12px}.password-form{padding:20px}.account-confirm{padding:20px;overflow-wrap:anywhere}.rail-username{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}*{box-sizing:border-box;letter-spacing:0}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit;font-weight:600;border-radius:8px;transition:background-color .14s ease,border-color .14s ease,box-shadow .14s ease;-webkit-tap-highlight-color:transparent}button:disabled{cursor:default;opacity:.45}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #7ccdb7;outline-offset:3px}button svg{flex-shrink:0}h1,h2,h3,p{margin:0}h1{font-size:28px;font-weight:750;line-height:1.3}h2{font-size:21px;line-height:1.4}h3{font-size:13px;color:var(--muted);font-weight:500}input,select{color:#243c35}input[type=number]{width:78px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:#fff}select{max-width:100%;min-width:0;border:1px solid var(--line);background:#fff;border-radius:6px;padding:9px 28px 9px 10px}input[type=range]{accent-color:var(--green);min-width:0}progress{height:5px;width:100%;border:0;border-radius:5px;overflow:hidden;background:#e2ebe6;accent-color:var(--green)}progress::-webkit-progress-bar{background:#e2ebe6}progress::-webkit-progress-value{background:var(--green)}.app-shell{max-width:1440px;margin:auto;display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100dvh}.rail{position:sticky;top:0;height:100dvh;padding:32px 18px;display:flex;flex-direction:column;border-right:1px solid var(--line);background:#fff}.brand{display:flex;gap:11px;align-items:center;margin:0 5px 52px;font-size:18px;font-weight:750}.brand img{width:38px;height:38px;object-fit:contain;border-radius:8px}.brand small{display:block;color:#91a29a;font-size:9px;font-weight:500;margin-top:2px}.rail nav{display:flex;flex-direction:column;gap:10px}.nav-item{border:0;background:transparent;border-radius:7px;display:flex;align-items:center;gap:13px;padding:14px 13px;text-align:left;color:#73857c;white-space:nowrap;font-size:14px;font-weight:550;min-height:50px}.nav-item svg{width:21px;height:21px}.nav-item.selected{color:var(--green);background:#e9f5ef;font-weight:700}.nav-item.selected svg{stroke-width:2.4}.nav-item b{margin-left:auto;background:#dbeee5;border-radius:5px;padding:0 5px;font-size:11px;max-width:36px;overflow:hidden}.rail-foot{margin-top:auto;color:#84958d;font-size:11px;padding:10px;display:flex;gap:8px;align-items:center}.local-dot,.summary-title i{width:6px;height:6px;border-radius:50%;background:#54b396;display:inline-block}.main-content{width:100%;max-width:1040px;padding:38px 48px 70px;margin:0 auto;min-width:0}.page-header{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:28px}.date-label{font-size:11px;font-weight:600;color:#84958c;margin-bottom:7px}.date-label span{margin-left:10px;font-weight:400}.header-mark{display:none}.header-stats{display:flex;gap:30px;font-size:11px;color:#8b9993;align-self:end;text-align:right}.header-stats strong{font-size:19px;color:#365148;display:block;line-height:1.5;font-weight:650}.primary,.secondary{display:inline-flex;gap:9px;align-items:center;justify-content:center;padding:11px 20px;min-height:46px;border-radius:7px;border:1px solid transparent;font-size:14px;font-weight:650;text-decoration:none}.primary{background:var(--green);color:#fff}.primary:hover:not(:disabled){background:var(--green-dark)}.secondary{background:#fff;border-color:var(--line);color:#476459}.large{padding:14px 30px}.icon-button{width:42px;height:42px;min-width:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;border:0;background:transparent;color:var(--green);padding:0}.icon-button svg{width:21px;height:21px}.icon-button:hover:not(:disabled){background:#e9f5ef;border-color:#9bcab8}.text-button{display:inline-flex;align-items:center;gap:3px;background:none;border:0;color:var(--muted);font-size:13px;padding:12px}.inline-actions{display:flex;gap:8px}.inline-actions .icon-button{border-color:transparent;background:#f0f7f3}.day-summary{display:flex;align-items:center;gap:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin-bottom:24px}.summary-title{display:flex;align-items:center;gap:9px;font-size:13px;color:#638074}.day-summary>strong{font-size:22px;font-weight:650;line-height:1}.day-summary small{font-size:13px;font-weight:400;color:#91a198}.summary-side{margin-left:auto;color:#7f8e87;font-size:12px}.summary-side b{color:#c67b52;margin-left:7px;font-size:16px}.phase-line{display:flex;align-items:center;justify-content:space-between;margin:0 0 18px;font-size:12px;color:#8b9c93;min-height:42px}.phase-tabs{display:flex;align-items:center;gap:15px}.phase-tabs span{display:flex;gap:7px;align-items:center}.phase-tabs span b{display:inline-flex;justify-content:center;align-items:center;width:21px;height:21px;border:1px solid #d4dfd8;font-size:10px;border-radius:50%;font-weight:500}.phase-tabs span.active{color:var(--green);font-weight:600}.phase-tabs span.active b{background:var(--green);border-color:var(--green);color:#fff}.phase-tabs i{width:27px;height:1px;background:#d8e2db}.preview-surface{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}.character-info{padding:22px 36px 26px}.character-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.tag{color:#88978e;font-size:11px}.character{font-family:Kaiti SC,STKaiti,KaiTi,"Noto Serif CJK SC",serif;font-size:118px;text-align:center;font-weight:650;color:#234e40;line-height:1.3;margin:15px auto 0;width:180px;min-height:153px}.pinyin{text-align:center;color:var(--green);font-size:25px;font-weight:500;margin-bottom:24px}.character-meta{max-width:470px;margin:auto}.character-meta>div{display:flex;gap:25px;align-items:flex-start;margin:9px 0}.character-meta>div>span{color:#8d9b94;min-width:64px;font-size:12px;padding-top:4px}.character-meta strong{font-size:20px;font-weight:500;overflow-wrap:anywhere}.strokes{display:flex;flex-wrap:wrap;gap:4px}.strokes b{font-weight:500;font-size:21px;line-height:1.5;padding:0 2px;color:#5f7469}.strokes .active-stroke{color:#107b62;background:#dff2e8;border-radius:3px}.stroke-control{max-width:470px;margin:12px auto 22px;display:flex;align-items:center;gap:9px;color:#829389;font-size:10px}.stroke-control label{display:flex;align-items:center;gap:7px;flex:1;white-space:nowrap}.stroke-control input{flex:1;width:100%}.stroke-control>span{min-width:38px;text-align:center}.stroke-control .icon-button{height:27px;width:27px;min-width:27px;border:0;background:#f5f8f6}.stroke-control .icon-button svg{width:15px}.definition,.example,.words{margin-top:22px;padding-top:20px;border-top:1px solid #edf1ee}.definition p{font-size:19px;font-weight:550;margin-top:7px;line-height:1.8}.example p{font-size:16px;color:#63776c;margin-top:7px;line-height:1.9}.words h3{margin-bottom:8px}.word-item{padding:13px 0;border-bottom:1px dashed var(--line)}.word-item:last-child{border-bottom:0;padding-bottom:0}.word-item>strong{color:#26765b;font-size:18px}.word-item p{font-size:14px;margin-top:5px;color:#54695e}.word-item .word-example{color:#91a097;font-size:13px}.source-note{font-size:11px;color:#8b9a91;margin-top:22px}.source-note summary{cursor:pointer}.source-note p{padding-top:7px}.preview-navigation{display:flex;flex-direction:column;align-items:center;margin-top:18px;gap:12px}.preview-navigation>span{align-self:flex-start;font-size:11px;color:#94a097;max-width:100%;overflow-wrap:anywhere}.preview-navigation>div{display:flex;align-items:center;gap:16px;color:#91a097;font-size:12px}.preview-navigation .icon-button{width:46px;height:46px;background:#eaf4ee;border-color:#d1e6d9}.preview-navigation .icon-button:hover:not(:disabled){background:#d9ebdf}.empty-state,.ready-view,.completed{display:flex;align-items:center;flex-direction:column;text-align:center;min-height:460px;justify-content:center;padding:35px 15px}.empty-state img{width:78px;height:78px;border-radius:15px;margin-bottom:26px}.empty-state h2{margin-bottom:22px}.ready-symbol{font-size:100px;line-height:1.5;font-family:Kaiti SC,KaiTi,serif;color:#1e7057;font-weight:700;margin:5px 0 20px}.ready-view h2{font-size:24px}.ready-view p{font-size:13px;color:#87998e;margin:15px 0 30px}.completion-seal{width:80px;height:80px;display:grid;place-items:center;background:#e1f2e8;color:#21805f;border-radius:50%;margin-bottom:25px}.completed h2{font-size:25px}.completed p{font-size:13px;color:#85988a;margin:15px 0 30px}.quiz-progress{margin:4px 0 20px}.quiz-progress>div{display:flex;justify-content:space-between;font-size:12px;color:#89968e;margin-bottom:7px}.quiz-progress b{color:#3f6956;margin-left:5px}.quiz-surface{background:transparent;border:0;min-height:245px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px 30px;gap:18px}.question-type{font-size:14px;color:#526777;font-weight:600}.quiz-surface h2{font-size:30px;line-height:1.75;word-break:break-word;overflow-wrap:anywhere;color:#234d3f;white-space:pre-wrap}.quiz-surface h2.single-character{font-family:Kaiti SC,KaiTi,serif;font-size:82px;line-height:1.2}.answer-options{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.answer-option{min-height:92px;display:flex;gap:12px;align-items:center;padding:18px 20px;background:#fff;border:2px solid #dce4e9;border-radius:8px;box-shadow:0 2px 3px #243c3505;text-align:left;font-size:18px;line-height:1.65;min-width:0;overflow-wrap:anywhere}.answer-option>span:nth-child(2){flex:1;min-width:0}.answer-option .option-letter{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:6px;background:#edf2f8;color:#4b6483;font-size:14px;flex-shrink:0}.answer-char{font-family:Kaiti SC,KaiTi,serif;font-size:32px}@media(hover:hover)and (pointer:fine){.answer-option:hover:not(:disabled):not(.correct):not(.wrong){border-color:#86938b}}.answer-option.correct,.answer-option.correct:disabled{opacity:1;background:#e6f6eb;border-color:#47a978;color:#217346}.answer-option.wrong{background:#fff0ee;border-color:#df8c82;color:#b95045}.answer-option:disabled{opacity:1}.answer-option>svg{width:19px;height:19px}.answer-feedback{min-height:34px;margin-top:15px;text-align:center;font-size:13px}.success{color:#278058}.error{color:#c1594b}.search-box{display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:7px;padding:4px 13px;min-height:46px;color:#8c9e92}.search-box input{border:0;outline:0;min-width:0;flex:1;background:transparent;padding:8px 0;font-size:14px}.search-box .icon-button{border:0;width:26px;min-width:26px;height:26px}.library-filters{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:10px;margin-top:13px}.library-filters select{font-size:12px;width:100%}.list-summary{display:flex;justify-content:space-between;align-items:center;margin:24px 0 12px;color:#85978a;font-size:12px;gap:10px}.list-summary label{display:flex;align-items:center;min-width:0;gap:5px}.list-summary select{border:0;background:transparent;padding:2px 0;font-size:11px;color:#66816f;max-width:150px}.library-table{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.library-row{width:100%;display:grid;grid-template-columns:minmax(0,1fr) 75px 85px;gap:12px;align-items:center;padding:17px 16px;border:0;border-bottom:1px solid #eef2ef;background:transparent;text-align:left}.library-row:last-child{border-bottom:0}.library-row:hover:not(.library-head){background:#f6fbf7}.library-head{font-size:11px;color:#93a093;background:#f0f5f1;padding-top:12px;padding-bottom:12px}.library-head>span:not(:first-child){text-align:center}.entry-name{display:flex;align-items:center;gap:18px;min-width:0}.entry-name>strong{font-size:34px;line-height:1.2;font-family:Kaiti SC,KaiTi,serif;width:38px;flex-shrink:0;text-align:center;color:#365e49}.entry-name>div{min-width:0}.entry-name b{font-size:14px;color:#47735b;font-weight:500}.entry-name p{font-size:12px;color:#788a7d;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:3px}.entry-name small{font-size:10px;color:#a2aea4;display:block;margin-top:5px}.error-count{text-align:center;font-size:15px;color:#a1ada4}.error-count.has-errors{color:#c17851;font-weight:650}.passed-tag,.pending-tag{font-size:11px;text-align:center;display:flex;align-items:center;justify-content:center;gap:3px;white-space:nowrap}.passed-tag{color:#298365}.pending-tag{color:#a6b1a8}.pagination{display:flex;justify-content:center;align-items:center;gap:24px;margin:22px 0;color:#879a8b;font-size:12px}.empty-list{padding:70px 0;text-align:center;color:#8c9d91}.empty-list p{margin-top:15px}.settings-view,.ai-settings{max-width:760px}.ai-config-form{display:grid;gap:16px}.ai-config-form>label{display:grid;gap:8px;font-size:14px}.ai-config-form input{min-width:0;width:100%}.ai-config-form .data-note{display:flex;gap:8px;align-items:flex-start}.ai-chat{max-width:900px}.ai-message-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.ai-message-heading .icon-button{width:32px;height:32px;min-height:32px;flex-shrink:0}.ai-chat-toolbar{flex-wrap:wrap}.ai-chat-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px}.ai-chat-toolbar>span,.ai-chat-toolbar>div{display:flex;align-items:center;gap:8px}.ai-messages{min-height:240px;max-height:55dvh;overflow-y:auto;padding:16px 0}.ai-chat-options{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;padding:12px 0;font-size:14px}.ai-reasoning-option,.ai-search-option,.ai-options-saving{display:inline-flex;align-items:center;gap:8px}.ai-reasoning-option select{min-height:36px;min-width:80px;border:1px solid var(--line);border-radius:4px;padding:5px 8px;background:#fff;color:inherit;font:inherit}.ai-search-option{min-height:36px;cursor:pointer}.ai-search-option input{width:18px;height:18px;accent-color:#147d64}.ai-options-saving{color:#647678;font-size:12px}.ai-sources{border-top:1px solid var(--line);margin-top:12px;padding-top:10px;font-size:13px;line-height:1.6;overflow-wrap:anywhere}.ai-sources>span{display:flex;align-items:center;gap:6px;color:#647678}.ai-sources ol{padding-left:22px;margin-top:6px}.ai-sources a{color:#147d64;text-decoration:underline}.ai-chat-empty{text-align:center;color:#758282;padding:70px 10px}.ai-message{max-width:88%;margin-bottom:20px;padding:12px 16px;background:#fff;border-left:3px solid #147d64;border-radius:4px}.ai-message.user{margin-left:auto;background:#eef4fa;border-color:#5485ae}.ai-message-heading>strong{font-size:12px;color:#647678}.ai-message-text{white-space:normal;overflow-wrap:anywhere;margin-top:8px;line-height:1.8}.ai-message-text>*+*{margin-top:10px}.ai-message-text strong{font-weight:700}.ai-message-text :is(h1,h2,h3,h4,h5,h6){font-size:17px;line-height:1.5}.ai-message-text :is(ul,ol){padding-left:24px}.ai-message-text li+li{margin-top:4px}.ai-message-text blockquote{padding-left:12px;border-left:3px solid #cadbd5}.ai-message-text pre{max-width:100%;overflow-x:auto;padding:10px;background:#f3f6f5;border-radius:4px;white-space:pre;overflow-wrap:normal}.ai-message-text code{font-family:Consolas,monospace;font-size:.9em}.ai-message-text a{color:#147d64;text-decoration:underline}.ai-message-text hr{border:0;border-top:1px solid var(--line)}.ai-message-text table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse}.ai-message-text :is(th,td){padding:6px 10px;border:1px solid var(--line)}.ai-message-text .katex{white-space:normal;overflow-wrap:normal}.ai-message-text .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden;padding:8px 2px;margin:8px 0}.ai-message-text .katex-display>.katex{width:max-content;min-width:100%;text-align:left}.ai-composer{display:flex;gap:12px;align-items:flex-end;padding-top:16px;border-top:1px solid var(--line)}.ai-composer textarea{flex:1;min-width:0;resize:vertical;max-height:200px;border:1px solid var(--line);border-radius:6px;padding:12px;font:inherit;background:#fff}.ai-chat-pending{display:flex;align-items:center;gap:8px}.weekly-draft-result{text-align:center;margin:16px 0;color:#147d64}@media(max-width:480px){.ai-chat-toolbar{flex-wrap:wrap}.ai-message{max-width:96%}}.settings-section{border-top:1px solid var(--line);padding:23px 0 20px}.settings-section h2{display:flex;gap:10px;align-items:center;font-size:16px;font-weight:650;margin-bottom:18px;color:#3d6350}.settings-section h2 svg{color:#589579}.setting-field{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:55px;font-size:14px}.setting-field select{max-width:62%;font-size:13px}.number-field{display:flex;gap:10px;align-items:center;color:#9aa79c;font-size:12px}.number-field input{font-size:16px;text-align:center}.switch{appearance:none;width:44px;height:25px;min-width:44px;position:relative;border-radius:20px;background:#d5ded8;border:0;transition:background .15s;cursor:pointer;margin:0}.switch:before{content:"";width:19px;height:19px;background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0002;transition:transform .15s}.switch:checked{background:var(--green)}.switch:checked:before{transform:translate(19px)}.save-settings{margin-bottom:26px;min-width:130px}.data-count{font-size:12px;color:#8c9e90;margin:-7px 0 18px}.data-count strong{font-size:17px;color:#476f57;margin:0 3px}.import-row{display:flex;width:100%;align-items:center;gap:14px;padding:16px 0;border:0;border-bottom:1px solid #e8ede9;background:transparent;text-align:left}.import-row>svg:first-child{color:#608e74;width:21px}.import-row>span{font-size:14px;flex:1;min-width:0}.import-row small{display:block;font-size:11px;color:#98a599;margin-top:5px}.import-row>svg:last-child{width:16px;color:#9cab9f}.intervals{display:flex;flex-wrap:wrap;gap:20px;color:#a3aea5;font-size:10px}.intervals b{display:inline;font-size:21px;color:#6e977e;font-weight:500;margin-right:3px}.data-note{font-size:11px;line-height:1.9;color:#9ba79f;margin-top:24px}.version{font-size:10px;color:#acb6af;margin-top:28px}.modal{border:1px solid var(--line);border-radius:8px;padding:0;width:min(660px,calc(100% - 24px));max-height:calc(100dvh - 36px);background:#fff;color:#243c35;overscroll-behavior:contain}.modal::backdrop{background:#17352e66;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal>header{position:sticky;top:0;z-index:2;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 22px;border-bottom:1px solid var(--line)}.modal>header h2{font-size:17px}.modal>header .icon-button{border:0;background:#f4f7f5;width:34px;height:34px;min-width:34px}.modal .character-info{padding-top:20px}.detail-stats{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin:0 25px;padding:18px 0;font-size:12px;color:#7d9684}.writing-title{display:flex;align-items:center;gap:15px;padding:20px 25px}.writing-title>strong{font-size:35px}.writing-title>span{color:#589477;font-size:18px}.writing-title .icon-button{margin-left:auto}.writing-grid{position:relative;aspect-ratio:1;max-width:390px;margin:0 auto;border:1px solid #d9e5dd;background:linear-gradient(45deg,transparent calc(50% - .5px),#e5ebe6 50%,transparent calc(50% + .5px)),linear-gradient(-45deg,transparent calc(50% - .5px),#e5ebe6 50%,transparent calc(50% + .5px));width:calc(100% - 48px)}.writing-grid:before,.writing-grid:after{content:"";position:absolute;pointer-events:none}.writing-grid:before{top:50%;left:0;width:100%;border-top:1px dashed #d9e4dc}.writing-grid:after{left:50%;top:0;height:100%;border-left:1px dashed #d9e4dc}.writing-grid>span{position:absolute;inset:0;display:grid;place-items:center;font-family:Kaiti SC,KaiTi,serif;font-size:220px;line-height:1;color:#e2ece5;-webkit-user-select:none;user-select:none;pointer-events:none}.writing-grid,.writing-title,.writing-strokes,.dictation-cells,.weekly-question,.weekly-progress{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.writing-grid canvas,.dictation-grid canvas{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-user-drag:none;-webkit-tap-highlight-color:transparent}.writing-grid canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}.writing-strokes{margin:18px 25px;font-size:18px;color:#6c8e77;overflow-wrap:anywhere}.writing-strokes>span{float:right;font-size:12px;color:#9eaaa1}.writing-result{display:flex;align-items:center;gap:8px;min-height:48px;margin:0 25px 12px;font-size:15px;line-height:1.6;overflow-wrap:anywhere;color:#62756d}.writing-result svg{flex-shrink:0}.writing-result.correct{color:#197448}.writing-result.wrong,.writing-result.error{color:#b34436}.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding:18px 24px;border-top:1px solid var(--line);flex-wrap:wrap}.restore-content{padding:25px;font-size:14px;line-height:1.9}.restore-content svg{color:#c18b46;margin-bottom:15px}.restore-content p+p{margin-top:10px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:50;background:#234638;color:#fff;border-radius:7px;padding:13px 12px 13px 19px;box-shadow:0 6px 24px #19392a22;display:flex;align-items:center;gap:12px;max-width:calc(100% - 30px);width:max-content;font-size:13px}.toast .icon-button{border:0;background:transparent;color:#bdd8c7;width:25px;height:25px;min-width:25px}.busy-overlay{position:fixed;inset:0;background:#18352d66;z-index:100;display:grid;place-items:center;padding:25px}.busy-overlay>div{background:#fff;border-radius:8px;padding:30px;width:300px;display:flex;flex-direction:column;align-items:center;gap:22px;color:#54826b}.busy-overlay strong{font-size:14px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-screen,.loading-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:24px;padding:24px;text-align:center}.loading-screen img{width:75px;height:75px;border-radius:12px}.loading-screen h1{font-size:23px}.loading-screen p{font-size:13px;color:#8e9e93}.error-screen p{max-width:500px}@media(min-width:1200px){.preview-surface .character-info{padding-left:58px;padding-right:58px}.main-content{padding-left:65px;padding-right:65px}}@media(max-width:950px){.app-shell{grid-template-columns:180px minmax(0,1fr)}.rail{padding:30px 12px}.brand{gap:8px;font-size:16px}.brand img{width:32px;height:32px}.brand small{font-size:8px}.nav-item{gap:9px;padding:13px 10px}.main-content{padding:30px 28px 60px}.header-stats{gap:16px}.date-label span{display:none}.character-info{padding:20px 24px}.answer-option{font-size:17px;padding:14px 13px}.library-row{gap:8px;grid-template-columns:minmax(0,1fr) 64px 64px;padding:15px 10px}.entry-name{gap:12px}}@media(max-width:700px){.app-shell{display:block}.rail{position:fixed;inset:auto 0 0;height:auto;z-index:20;padding:8px 10px calc(8px + var(--safe-bottom));border-right:0;border-top:1px solid #e2ebe5;background:#ffffffef;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.rail .brand,.rail-foot{display:none}.rail nav{flex-direction:row;gap:2px;justify-content:space-around}.nav-item{position:relative;flex:1;flex-direction:column;gap:3px;justify-content:center;padding:6px 3px;min-height:49px;font-size:10px;border-radius:6px}.nav-item svg{width:22px;height:22px}.nav-item.selected{background:transparent;color:var(--green)}.nav-item b{position:absolute;top:0;left:calc(50% + 8px);font-size:8px;padding:0 4px;min-width:14px;background:#d8eee2}.main-content{padding:calc(22px + env(safe-area-inset-top,0px)) 20px calc(100px + var(--safe-bottom));max-width:600px}.page-header{margin-bottom:22px;gap:12px;flex-wrap:wrap}h1{font-size:25px}.date-label{font-size:10px;margin-bottom:6px}.header-mark{display:block;margin-left:auto}.header-mark img{width:36px;height:36px;border-radius:7px;object-fit:contain}.header-stats{display:none}.day-summary{padding:15px 0;margin-bottom:18px;gap:12px}.summary-title{font-size:12px}.day-summary>strong{font-size:20px}.day-summary small{font-size:11px}.summary-side{font-size:10px}.summary-side b{font-size:14px}.phase-line{margin-bottom:12px}.phase-tabs{gap:10px;font-size:11px}.phase-tabs i{width:20px}.character-info{padding:16px 19px 24px}.character-top{gap:8px}.tag{font-size:10px}.inline-actions{gap:5px}.inline-actions .icon-button{width:34px;min-width:34px;height:34px}.inline-actions svg{width:18px;height:18px}.character{font-size:108px;margin-top:14px;min-height:140px;width:160px}.pinyin{font-size:24px;margin-bottom:22px}.character-meta>div{gap:18px}.character-meta>div>span{font-size:11px;min-width:55px}.definition p{font-size:18px}.example p{font-size:15px}.definition,.example,.words{padding-top:18px;margin-top:18px}.word-item p{font-size:13px}.preview-navigation{margin-top:15px}.preview-navigation>div{gap:12px}.preview-navigation .icon-button{width:44px;height:44px;min-width:44px}.preview-navigation>span{font-size:10px}.ready-view,.empty-state,.completed{min-height:400px}.ready-view h2{font-size:21px}.ready-symbol{font-size:90px}.quiz-surface{min-height:225px;gap:23px;padding:24px 20px}.quiz-surface h2{font-size:25px;line-height:1.7}.quiz-surface h2.single-character{font-size:78px}.answer-options{gap:10px;margin-top:15px}.answer-option{min-height:76px;padding:13px 10px;gap:8px;font-size:16px}.answer-option .option-letter{width:21px;height:21px;font-size:10px}.answer-char{font-size:30px}.answer-option>svg{width:16px}.library-row{grid-template-columns:minmax(0,1fr) 49px 56px;gap:7px;padding:15px 8px}.entry-name{gap:10px}.entry-name>strong{width:32px;font-size:30px}.entry-name b{font-size:13px}.entry-name p{font-size:11px}.entry-name small{font-size:9px;line-height:1.6}.library-head{font-size:9px;padding-top:11px;padding-bottom:11px}.passed-tag,.pending-tag{font-size:10px}.library-filters{gap:6px;grid-template-columns:1fr 1.2fr 1fr}.library-filters select{padding:8px 13px 8px 7px;font-size:11px}.search-box input{font-size:13px}.list-summary{font-size:11px;margin-top:20px}.settings-section h2{font-size:15px}.setting-field{font-size:13px}.setting-field select{font-size:12px}.import-row>span{font-size:13px}.toast{bottom:calc(85px + var(--safe-bottom));font-size:12px}.modal{max-height:calc(100dvh - 22px);width:calc(100% - 18px)}.modal>header{padding:12px 17px}.modal-actions{padding:16px}.writing-grid>span{font-size:190px}.intervals{gap:16px}.intervals b{font-size:19px}}@media(max-width:360px){.main-content{padding-left:14px;padding-right:14px}.answer-options{grid-template-columns:1fr}.day-summary{gap:8px}.summary-title{font-size:11px}.character-info{padding-left:15px;padding-right:15px}.writing-grid>span{font-size:160px}.phase-tabs{gap:7px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.spin{animation-duration:2s}}@media(min-width:701px){.rail{padding-top:calc(32px + env(safe-area-inset-top,0px));padding-bottom:calc(32px + env(safe-area-inset-bottom,0px))}.main-content{padding-top:calc(38px + env(safe-area-inset-top,0px))}}@media(max-width:700px){.preview-navigation{position:sticky;bottom:calc(74px + var(--safe-bottom));background:#f5f7f8f5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:10px 0;margin-bottom:-10px;z-index:5}.source-note{padding-bottom:12px}}.character-info .speech-read{color:#1466c8}.weekly-tabs{display:flex;gap:24px;border-bottom:1px solid #d6e2de;margin-bottom:24px}.weekly-tabs button{display:inline-flex;align-items:center;gap:8px;border:0;border-bottom:3px solid transparent;border-radius:0;background:transparent;padding:14px 2px;color:#56736b}.weekly-tabs button[aria-selected=true]{border-bottom-color:#137f67;color:#137f67;font-weight:700}.weekly-period{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;color:#617770;font-size:13px;line-height:1.8}.weekly-ready,.weekly-result{padding:40px 0;text-align:center}.weekly-ready>svg{color:#137f67}.weekly-ready h2,.weekly-result h2{font-size:22px;margin:18px 0 12px}.weekly-ready p,.weekly-result p{color:#617770;margin:12px 0 24px}.weekly-result>strong{font-size:48px}.weekly-result>strong small{font-size:16px;color:#617770}.weekly-pass{color:#117a5f}.weekly-fail{color:#b13239}.weekly-paper{padding-top:24px;scroll-margin-top:20px}.weekly-question-map{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:12px 4px}.weekly-question-map button{position:relative;display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;padding:0;border:1px solid #becfc8;border-radius:4px;background:#f5f7f8;color:#455c55;font-size:18px;font-weight:700}.weekly-question-map button.correct{background:#e3f4eb;border-color:#228269;color:#11664e}.weekly-question-map button.wrong{background:#fff0ee;border-color:#c54c53;color:#a62630}.weekly-question-map button[aria-current=step]{outline:2px solid #273e53;outline-offset:3px}.weekly-question-map button svg{position:absolute;right:1px;bottom:1px}.completion-celebration{position:fixed;inset:0;z-index:90;pointer-events:none}.fireworks{position:absolute;inset:0;overflow:hidden}.firework-burst{position:absolute}.firework-burst i{position:absolute;width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 5px currentColor;opacity:0;animation:celebration-spark 1.6s ease-out var(--burst-delay) both}@keyframes celebration-spark{0%{opacity:0;transform:translateY(30px) scale(.2)}8%{opacity:1}65%{opacity:.9}to{opacity:0;transform:translate(var(--spark-x),var(--spark-y)) scale(.25)}}.celebration-message{position:absolute;top:calc(24px + env(safe-area-inset-top,0px));left:50%;transform:translate(-50%);display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;width:max-content;max-width:calc(100% - 24px);padding:16px;border:1px solid #bdd8cb;border-radius:8px;background:#fff;color:#126a52;box-shadow:0 8px 30px #173e3826;pointer-events:auto}.celebration-message>svg{flex-shrink:0;color:#bd7820}.celebration-message strong{font-size:19px;line-height:1.5}.celebration-message p{margin:4px 0 0;font-size:13px;color:#56736b}.celebration-message .completion-reward,.weekly-result .completion-reward{color:#99630d;font-size:16px;font-weight:700;overflow-wrap:anywhere}.celebration-message>div{min-width:0}.celebration-message>.icon-button{flex-shrink:0}@media(prefers-reduced-motion:reduce){.fireworks{display:none}}.weekly-progress{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:14px}.weekly-progress progress{width:100%;height:6px;accent-color:#137f67}.weekly-question{text-align:center;min-height:144px;padding:20px 0}.weekly-question>span{font-size:14px;color:#617770}.weekly-question h2{font-size:36px;margin:18px 0 0;overflow-wrap:anywhere}.weekly-audio{display:flex;align-items:center;gap:12px;margin:16px auto 0;padding:14px 24px;border:1px solid #c9dfd7;border-radius:6px;background:#edf7f2;color:#0d7961}.dictation-cells{display:grid;grid-template-columns:repeat(var(--cell-columns),minmax(0,1fr));gap:14px;max-width:650px;margin:0 auto}.dictation-cell{min-width:0}.dictation-cell:only-child{max-width:300px;width:100%;justify-self:center}.dictation-grid{position:relative;aspect-ratio:1;border:1px solid #bc797d;background:#fff}.dictation-grid:before{content:"";position:absolute;top:50%;left:0;right:0;border-top:1px dashed #dab9ba;pointer-events:none}.dictation-grid:after{content:"";position:absolute;left:50%;top:0;bottom:0;border-left:1px dashed #dab9ba;pointer-events:none}.dictation-grid canvas{display:block;width:100%;height:100%;position:absolute;inset:0;touch-action:none}.ink-tools{display:flex;align-items:center;justify-content:flex-end;gap:6px;margin-top:8px}.current-plan-name{margin:8px 0 0;color:var(--muted);font-size:14px;overflow-wrap:anywhere}.plan-heading,.plan-selector{display:flex;align-items:center;gap:10px}.plan-heading h2{margin:0;flex:1}.plan-heading>span{font-size:14px;white-space:nowrap}.plan-selector{flex-wrap:wrap;margin-top:16px}.plan-selector label{flex-basis:100%;font-size:14px}.plan-selector select{flex:1;min-width:0;width:100%}.plan-form{display:grid;gap:16px}.plan-form input{width:100%;min-width:0}.ink-tools>span{margin-right:auto;color:#617770;font-size:12px}.ink-tools .icon-button{width:36px;height:36px;min-width:36px}.weekly-navigation,.weekly-pagination{display:flex;justify-content:center;align-items:center;gap:22px;margin:24px 0}.weekly-navigation>span{min-width:110px;text-align:center;font-size:13px;color:#617770}.weekly-answer{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:16px;padding:20px 0}.weekly-answer>span{color:#617770;font-size:13px}.weekly-answer>strong{font-size:28px;overflow-wrap:anywhere}.weekly-grade{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.weekly-grade [aria-pressed=true]{outline:2px solid #225a4d;outline-offset:3px}.weekly-submit{display:flex;margin:20px auto}.weekly-filters{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:24px}.weekly-filters label{display:grid;gap:8px;font-size:13px;flex:1;min-width:130px}.weekly-filters select,.weekly-filters input{width:100%;min-width:0;padding:10px;border:1px solid #becfc8;border-radius:4px;background:#fff;color:#203c39}.weekly-history-row{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto 20px;gap:16px;text-align:left;align-items:center;background:transparent;padding:20px 0;border:0;border-bottom:1px solid #d6e2de;border-radius:0}.weekly-history-row strong{font-size:16px}.weekly-history-row small{display:block;font-size:12px;margin-top:8px;color:#617770}.weekly-history-row>span:nth-child(2){font-size:22px;font-weight:700;text-align:right}.weekly-empty,.weekly-loading{padding:36px 0;color:#617770;text-align:center}.weekly-loading{display:flex;align-items:center;justify-content:center;gap:10px}.weekly-error{padding:16px 0;color:#b13239}@media(max-width:700px){.dictation-cells{grid-template-columns:repeat(var(--mobile-columns),minmax(0,1fr));gap:12px}.weekly-history-row{gap:10px}.weekly-history-row strong{font-size:14px}.weekly-view{padding-bottom:16px}.weekly-tabs{margin-bottom:16px}.weekly-period{gap:4px}.weekly-question{min-height:118px;padding:12px 0}.weekly-question h2{margin-top:14px;font-size:32px}.dictation-cell:only-child{max-width:240px}}.weekly-reward-rule{color:var(--muted, #62686b);font-size:14px;line-height:1.6}.weekly-week-picker{display:flex;align-items:center;gap:8px;margin:12px 0;color:var(--muted, #62686b);font-size:14px}.weekly-week-picker select{min-width:190px}.weekly-background-status{padding:12px 0;border-bottom:1px solid #dce5df;color:#216344}.weekly-background-status button{margin:4px 8px 4px 0}
